Answer: The answer is 40 there are 40 favorable outcomes of people who made a purchase.
Step-by-step explanation:
Answer:
A‘=(4,1)
A“=(11,8)
Step-by-step explanation:
A‘=(4,1)
A“=(11,8)
Answer:
(a)

(b)

Step-by-step explanation:
Quotient of factorials:
we are given

we can multiply top and bottom term by 21!

we can write as

As a permutation:
we know permutation formula

now, we can compare and find 'n' and 'r'


we can plug back n=25


so, we can write

13 *72.10 = 937.30 rupees